Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:42 2012 Optimize a model with 47 rows, 123 columns and 123 nonzeros Model has 92 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 0.54s Presolved: 47 rows, 122 columns, 122 nonzeros Variable types: 92 continuous, 30 integer (29 binary) Root relaxation: objective 0.000000e+00, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 25.0000000 - - - 0s 0 0 0.00000 0 18 25.00000 0.00000 100% - 0s 0 0 0.12698 0 28 25.00000 0.12698 99.5% - 0s H 0 0 22.0000000 0.12698 99.4% - 0s H 0 0 16.0000000 0.12698 99.2% - 0s 0 2 0.14354 0 28 16.00000 0.14354 99.1% - 0s * 8 8 6 9.0000000 1.13010 87.4% 15.0 0s * 34 11 7 8.0000000 1.76667 77.9% 12.0 0s Cutting planes: Gomory: 2 Explored 92 nodes (1458 simplex iterations) in 0.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%